Texas S Corporation Tax Deadlines 2026

Complete guide to S Corporation filing dates, extensions, estimated payment schedules, and required forms in Texas for the 2026 tax year. Texas does not have a state income tax, so S Corporation entities only need to file federal returns.

Texas S Corporation filing deadline

No state individual income tax. Other business taxes may apply.

N/A

Due: N/A

Form: N/A

Estimated payments

No state estimated payment schedule listed.

N/A

Due: N/A

Texas S Corporation Tax Calendar at a Glance

EventDate

FAQ

When is the S Corporation tax filing deadline in Texas for 2026?

Texas does not have a separate state filing requirement for S Corporation entities. Check with Texas Comptroller of Public Accounts for the latest information.

Does Texas require S Corporation estimated tax payments?

Estimated payments are not typically required at the entity level for S Corporation in Texas, but confirm with Texas Comptroller of Public Accounts.

What form do I file for a S Corporation in Texas?

S Corporation entities in Texas file using Form N/A. You can download the form from Texas Comptroller of Public Accounts at https://comptroller.texas.gov.

Can I get an extension for my Texas S Corporation tax return?

Check with Texas Comptroller of Public Accounts for extension options for S Corporation entities in Texas.

What are the penalties for filing late in Texas?

Texas typically charges a failure-to-file penalty (usually 5% of unpaid tax per month, up to 25%) and a failure-to-pay penalty (usually 0.5-1% per month). Interest also accrues on unpaid balances. Filing for an extension by the original deadline avoids the failure-to-file penalty but not the failure-to-pay penalty.

Where can I file Texas S Corporation taxes?

File through Texas Comptroller of Public Accounts. Visit https://comptroller.texas.gov for e-filing options, downloadable forms, and payment portals.

Other Entity Types in Texas

S Corporation Deadlines in Neighboring States